package ooday05;

public class Aoo {
    public int a;
    protected int b;
    int c;
    private int d;

    void show() {
        a = 1;
        b = 2;
        c = 3;
        d = 4;
    }
}

class Boo {
    void show() {
        Aoo o = new Aoo();
        o.a = 12;
        o.b = 12;
        o.c = 12;
        //o.d=12; private修饰的d 不能在其他类中被调用
    }
}
